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What are you guys thoughts on compression ratios when going Forced Induction. I know most people just keep the stock compression ratio even when rebuilding. I'm thinking of going 9:1
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01-08-2020, 02:36 PM
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Join Date: Mar 2019
Location: LA
Posts: 169
Drives: 2012 370Z Nismo #227
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Forced Induction Compression Ratios
What are you guys thoughts on compression ratios when going Forced Induction.
I know most people just keep the stock compression ratio even when rebuilding. I'm thinking of going 9:1 or 10:1 since I don't have E85 local and I will be running 93 for 95% of my driving. I cannot see it making more than a 10-20 HP difference when using E85 and perhaps no HP loss when using 93 octane, since the timing can be pushed. I do plan on pushing high boost at some point! I am building this motor to handle big boost and big HP! So the common thought as with most platforms would be to drop the compression ratio. Thoughts? There is a wealth of knowledge out here and guys who have tried it all. Thanks Last edited by Gray Goose; 01-08-2020 at 02:40 PM. |
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